information conditions, where cheating is less obvious, punishment is much less effective in enforcing cooperation. Evidently, the …Explaining human cooperation in large groups of non-kin is a major challenge to both rational choice theory and the … theory of evolution. Recent research suggests that group cooperation can be explained by positing that cooperators can punish …

This paper investigates whether altruistic punishment when cooperation norms are violated is sensitive to gender … effects. Our framework is a one-shot social dilemma game with third-party punishment in which subjects are informed of the … others' gender within their group. This allows us to test whether third-party punishment depends on the punisher's as well as …